| Year | Qtr | # Shares | Change |
|---|---|---|---|
| 2016 | Q3 | 21,085,061 | -874,185 |
| 2016 | Q2 | 21,959,246 | -1,321,748 |
| 2016 | Q1 | 23,280,994 | +396,844 |
| 2015 | Q4 | 22,884,150 | +5,832,040 |
| 2015 | Q3 | 17,052,110 | -257,980 |
| 2015 | Q2 | 17,310,090 | |
| 2015 | Q1 | 17,310,090 | +213,204 |
| 2014 | Q4 | 17,096,886 | +9,529,489 |
| 2014 | Q3 | 7,567,397 | +3,588,630 |
| 2014 | Q2 | 3,978,767 | |
| 2014 | Q1 | 3,978,767 | |
| 2013 | Q4 | 3,978,767 | |
| 2013 | Q3 | 3,978,767 | |
| 2013 | Q2 | 3,978,767 | |
| 2013 | Q1 | 3,978,767 | |
| 2012 | Q4 | 3,978,767 | |
| 2012 | Q3 | 3,978,767 |